Compound pile.



comPouNn me. APPLICATION FILED APILZG. 191Bv lll-)aten'aed Jan. 7, 1919.

mais 1f.

ROBERT H. F. SEWALL, OF SHREVEPORT, LOUISIANA.

coMPoUND PILE.

Specifi-catio11 of Letters Patent.- i

0'rigina1 application led May 19,1917, Serial No. 169,672. Divided and this application led .April 26, 1918.

i i Serial No. 230,878. i v i To 1N Uiom t may concern die it known that I. ROBERT H. F. Sima-uli.,

a citizen ot' the United States, residing at Sl'ireveport. inthe parish of Caddo and State ot' Louisiana, have invented certain new and useful Improvements iii Compound Piles: and l do herebv declare the following to be a full, clear, and exact description ot' the invention. such as will enable others ments in compound piles especially,adapted for use when drivingr in deep water, and more especially for driving in deep ruiming 1 water. and for ,combining with other similar piles tot'orm a practically unter-tight wall whereby a jetty. or dam, or retaining wall.y oi" a face'for saine is secure-d.

.It has been found in practice in driving ordinary woodenv piles in deep water, arid especially where there is aswift current to the water, that the lower end of the pii tends to swing with the current, and there is great difficulty in driving the pile in a vertical direction, and more espeeiall y in locking tho saine onto adjoining piles.

Various means for weighting: the pile have been adopted, but none of which, as far as I ain aware,` has proved entirely satisfactory;

liioi'eover.with suchpiles longand expensive timbers are required.

According to my presentyinv'f'ention I provide a compound .pile made partly of -timbei' and partly of reinforced. concrete held within said timber, whereby the weight of the concrete causes the pileto sink readily, and whereby smaller and shorter sticks of timber may be used.

The hereinafter described form of pile is especially adapted for use in the pile driving'apparatus illustrated-and described. but not claimed7 in my Patent `No. 1,267,129, granted May 21, 1918, and entitled Improvements in'apparatus for drivin;i pii'- My invention will be more clearly understood after reference to the accompanying drawings7 in which p- Figure 1 shows a cross section through the bed of astream` with a series of interlockinfr piles driven partly across the same.

Fig. 2 shows a. side elevation of a com pound vpile made of, wooden framework, with .a concrete core held in the center thereof,

parts being broken away. i

Fig. 3 is a plan view of the pile shown in Fig. 2. with adjacent and interlocking piles indicated in dotted lilies; and I Fig. 4 'shows' the wooden framework and reinforcing spikes before the concrete is poured in. f

In the form of pile herein shown, there are two wooden side beams A and A', which may be of a single piece or built up of several pieces, if desired,v which are spaced as shown and are connected together by tie spikes B, and which also serve as reinforcements for the concrete; and int-o the spaces; .between these bolts shorter spikes C are' driven, which also serve to hold the concrete after it is poured in. j

0n the inner walls of each side piece A and A I preferably provide n seriesof notches or sockets a, into which the concrete flows and sets, and thus serves to flirt-her bind the partstogevther.

Patented Jan. 7, 1919.

On theouter edge of one of the timbersA,

I provide a dove-tail tenon piece D. bolted to the member A. and on the outer edge of the oppositememher A I provide two guide pieces E having' overhanging.edges c adapted to engage the dovet'ail member D of the adjoining pile,V as'shown in dotted lines in Fig. 8. y

Ilt is desired to use hydraulic pressure in 3) may be. provided` which pipe carries the being` driven.

This pipe F` may be permanently attached' les the drivingr of the pile. a pipe F (see Fig.

to the pile, or may be in the form of a -hose winch is inserted into or removed from the;

groove a in the pile. as shown in Fig. 3.

After the. frame ot the vpile has been prepared. as shown in Fig. 4, the said frame is laid flat on its side on any fiat door. and concrete G ispoured into the channel between the parts n has sufficiently hacdned the pileis ready for use.

i gether.

A and Ahar( when this concrete It will be seen that the'bolts B and C serve" .cushion block, as

4ot' the .more

The use of the concrete increases the specitic gravity of the pile, so that there'will be no tendency of the same. to Heat 1n the water, which is a source of great trouble where long` piles are being driven in as already set forth.

By this construction a heavy and durable pile is produced` all deep water,

carried separately to the spot where the pile is needed and there assembled, and thus there is a great sai/'ing of expense, not only in manufacture, but in transportation.

For driving in deep water asuitable cap and follower, such as is described in my application Serial No. 169672 aforesaid, may be needsbut these. not being, a part of my present invention will not be further described herein. p y

It will be seen that with this form of compound pile the wooden side members protect the concretecore incident to the operation ot driving, and the pile will require no the case with the Well kniwn concrete pile; moreover this concrete core protects the timber, and together with the tic spikes it prevents the timber from splitting orbrooming While together they impart the desired weight tothe pile to overcome buoyance and furnish the requisite strength, toughness and resiliency tor stand ordinary driving. y

.iftcr one pile is driven, the adjacent pile is connected thereto having its tongue engaging the dove-tail groove Ain said pile, then this adjacent pile is driv\en and followed down to the desired depth, as shown in Fig. l.. ln ordinary work the head of the last pile inserted is generally at or near the water surface where the foreman can see to )n'opcrly insert the dovctail tongue in the groove; but when driving in deep swift liowing current `where it necessary to t'ollow the head ot the pile'down belowfthe surface water to near th'e bottom of the ri ver as reduircdin works ot' bank protection and, asJ shown in Fig. 1, the last pile` is left standing above the. surface' of the water, the buck on the pile driver raised unl il the head block permits the piledriver moved forward, a=

follower is then placed on thc head` of the pile' preceding the last pile, the hammer is lowered on the follower' and the pile driven home., ihe driveris then pulled back to its positionand another pile is entered. thesecompound piles can be made te.r ordinary.tongue and groove and the current is not too swift, they can ircd and iforced in proper position fronrthe t'ront by the` use ot' my improved pile `,l river willi thebuck attachment, as all described in my application Serial No.

aforesaid. .p

liv using a sei-ics `of piles of the character herein .lf 'brd a continuousl substantially water-i n, wall may be constructed leading parts of which may be ent of the United out from the top of the bank into `the stream and across the channel up to the top of the bank on the opposite side, without interfering with the flow or navigation ot' the stream while the work is being done; Cotter dams, retaining walls and the like can be construct` ed without the cost and labor of excavations, not excepting sea walls, and found-ations for locks, eli-c. I l

It will be obvious that various modifications might be construction, and in the combination and arrangement of parts which'could be used without departing from the spirit ot' my invention.

Having thus I claim and desire to secure by Letters lal- States is:

1. A. compound pile consisting ot two timbers spaced apart bolts, with concrete molded `in the space. bctween said timbcrsand surrounding those portions ot' `the. connecting bolts lyingI bctwcen said timbers, substantially as described.

Q. A compoundpile consisting of two timbers spaced l bolts, with concrete molded in the space Vbctwccn said timbers and surrounding' those portions ot' the connectingbolts lying between said timbers, a strip secured to the outer edge of one ot' said timbers, and a pair of strips secured to the outer edge oi' tho other timber to t'orni a groove between the two. substantially as described.

v. 3. A compound pile consisting ot' two timbers spaced' apart and connected together by bolts, with concrete molded in the space bctwccn said timbers and surroumling those portions ot' the connecting bolts lying bctween said timbers` one ofsaid timbers being provided with a longitudinalgroove therein adapted to receive a pipe, substantially as described.

4. A compound pile consisting ot' two tinibers spaced apart and connected together by bolts, with concrete molded in the; space between said timbers and surrounding those portions oi the connecting bolts lying between said timbers. a strip secured to tho outer edge of one of said timbers, and a pair of strips secured to the outer edge'of the. other timber to form a two, one ot' said timbers being provided wit-h a longitudinal groove therein, adapted to receive a pi pc, substantially as described. 5. compound pile comprising `twotimbers spaced apart, tic bolts between said timers crossing the space between same, and additional bolts projecting into the space between said timbers, with concrete moldedy in the space between said timbers and sur,- roumling those portions of the bolts lying between said timbers, a dovetail strip sccured to the outer edge ofone of psaid timdescribed my invention whatand connected togctherbv apart and connected together by groove between the bers,` and a pair' of strips secured to the outer edge ot' the other timber to torn-i ay dovtail groove between tlie two, substantiall as described.

(3. A compound Ypile comprising two timbers spaced apart, tie-'bolts between said timbers crossing the space between same, .and additional bolts projecting in to the space-between said timbers, with concrete molded in the space between said timbers and surrounding those portions of-the bolts lying lbetween said tinibers.oi.ie o't` said timbers beingr provided witligilongitudinal groove therein adapted to receive a pipe,substan tially as described. 7. ,it compound :pile comprising two timbers spaced apart, tie bolts between-said timbers crossing the Yspace between same, and

additional bolts projecting into the space. be-v tween said timbers, willi concrete molded in the space between said timbers and surrounding those portions of the bolts lying` between said timbers, a dovetail strip secured to the outer edge of one of said tim-- bers. and a pair of strips secured to the outer edge of the other timber to forni a dovetail groove between the two, one of said 'timbers being provided with a longitudinal groove therein, adapted to receive a pipe', siibstantiall f as described.

8. A. compound pile 'comprising two timbers spaced apart and each provided with oppositely disposed recesses, tie bolts between said timbers crossing the space between same, and additional bolts projecting into the space between said timbers, with concrete molded in the space between said tiinbers and surrounding those portions of the bolts lyingI between said timbers, and projecting into said recesses, substantially as described.

9. A compound pile comprising two tim' bers spaced apart and eachv provided with 'oppositely disposed recesses, tie bolts between said timbers crossing the space between saine. and additional bolts projecting'` bei's spaced apartaiid each provided with,

oplriositely disposed..recesses, tie bolts between said ltimbers crossing the space beftween same and additional bolts ii'o'ectin".

into the space between said timbers, with concrete molded in lthe, space between said timbers and surrounding those portions of the bolts lying between said timbers and` i'irojecting into said recesses, one otsaid timbei's being providedwith a longitudinal groove therein adapted to i'eceivea pipe,substantially as described. v l 11.. A compound pipe comprising.two timbers spaced apart land each provided wit-li oppositely disposed reces'is, tie bolts between said timbers ci'ossi-ng the space between same, and additional bolts projecting -intothe space between said timbers, with concrete molded in the space between said timbers and surrounding those portions of the bolts lying between said timbers and projecting into said recesses, a strip secured to the outer edge of one of said timbers, and

a pair ,of strips secured to the outer edge of the other timber to form a groove between the two, one of said timbers being-provided with a longitudinal groove therein, adapted to receive a pipe, substantially as described. In testimony whereof I aliix my signature.

ROBERT H. F. SEWALL. 

